Toyota MAP Sensor - P/N # 89421-12111

This genuine Toyota MAP (Manifold Absolute Pressure) sensor, part number 89421-12111, is a factory OEM component designed to restore accurate pressure readings to your engine management system. The MAP sensor plays a critical role in engine performance by measuring intake manifold pressure and relaying that data to the ECU, which uses it to calculate the correct air-fuel mixture and ignition timing. A faulty or failing MAP sensor can cause poor fuel economy, rough idling, hesitation under acceleration, and failed emissions tests, making timely replacement important.

As a genuine Toyota part, this sensor is manufactured to the same standards as the original component fitted to your vehicle at the factory. Unlike aftermarket alternatives, a genuine OEM sensor ensures compatibility with your vehicle's ECU and wiring harness without the risk of signal calibration issues or premature failure.

Specifications

Compatibility

This part is designed for specific Toyota models and engine variants. Please cross-reference part number 89421-12111 with your vehicle's VIN or consult your Toyota dealer or parts catalogue to confirm this sensor is the correct match for your application before purchasing.